Yes, amphetamine salts and Adderall are the same medication. “Amphetamine salts” (sometimes labeled “mixed amphetamine salts” or “amphetamine salt combo”) is the generic name for what Teva Pharmaceuticals originally marketed as Adderall. When your pharmacy fills a prescription with a bottle that says “amphetamine salts,” you’re getting the generic version of Adderall containing the same four active ingredients in the same proportions.
What’s Inside Both Versions
Adderall and its generic equivalent contain four amphetamine salts: dextroamphetamine saccharate, amphetamine aspartate monohydrate, dextroamphetamine sulfate, and amphetamine sulfate. The FDA defines the drug as “a single-entity amphetamine product combining the neutral sulfate salts of dextroamphetamine and amphetamine, with the dextro isomer of amphetamine saccharate and d,l-amphetamine aspartate monohydrate.”
These four salts deliver two closely related forms of amphetamine: dextroamphetamine and levoamphetamine. Dextroamphetamine is the more potent of the two for focus and attention, while levoamphetamine has a somewhat stronger effect on physical symptoms like heart rate. The combination is designed to produce a balanced effect that outlasts a single-salt formulation.
How It Works in the Brain
Amphetamine salts increase the levels of two chemical messengers in the brain: dopamine and norepinephrine. They do this in a few overlapping ways. First, the drug blocks the recycling pumps (transporters) that normally pull dopamine and norepinephrine back into nerve cells after they’ve been released. Second, it actually reverses those pumps, pushing extra dopamine out of the nerve cell and into the gap between neurons. Third, it disrupts the internal storage system that packages dopamine inside the cell, causing more of it to leak out into circulation.
The net result is a significant boost in dopamine and norepinephrine activity. In people with ADHD, where baseline signaling in attention-related brain circuits tends to be low, this corrects a deficit. That’s why the medication improves focus, reduces impulsivity, and helps with task completion.
Brand Name vs. Generic
The active ingredients are identical. To earn FDA approval, a generic amphetamine salt product must pass rigorous testing showing it delivers the drug into the bloodstream at essentially the same rate and concentration as brand-name Adderall. Specifically, the FDA requires that the generic version fall within 80% to 125% of the brand’s absorption profile for both dextroamphetamine and levoamphetamine, measured separately.
Where brand and generic versions can differ is in inactive ingredients: the fillers, binders, coatings, and dyes that hold the tablet together. These differences are cosmetic for most people, but in rare cases someone may react to a specific dye or filler. If you notice a consistent difference in how a new generic feels, the inactive ingredients are the most likely explanation, not a difference in the actual drug.
Immediate-Release vs. Extended-Release
Both brand and generic amphetamine salts come in two formulations. The immediate-release version (often labeled IR) kicks in quickly and lasts about 4 to 6 hours, so most people take it once in the morning and again in the early afternoon. The extended-release version (Adderall XR or “amphetamine salts ER”) uses a two-phase bead system to deliver half the dose up front and the other half roughly four hours later. This extends the effect to 8 to 12 hours on a single morning dose.
Both formulations contain the same four salts. The difference is purely in how the tablet or capsule releases them over time. Your prescription will specify which one, and pharmacies can substitute a generic for either version.
What It’s Prescribed For
Amphetamine salts are FDA-approved for two conditions: attention deficit hyperactivity disorder (ADHD) and narcolepsy. For adults with ADHD starting the extended-release form, the recommended starting dose is 20 mg once daily. In clinical trials studying doses of 20, 40, and 60 mg, all three improved ADHD symptoms compared to placebo, but there was no clear evidence that going above 20 mg provided additional benefit for most people. Doctors still prescribe higher doses when needed, but the starting point is intentionally conservative.
Scheduling and Prescription Rules
Amphetamine salts are classified as a Schedule II controlled substance by the DEA, the same category as oxycodone and fentanyl. This classification reflects a high potential for dependence and abuse, and it comes with strict prescribing rules. You cannot get automatic refills. In most states, you need a new prescription each month, and many states require it on a tamper-resistant pad or through an electronic prescribing system. Pharmacies also face quantity limits on how much they can stock, which contributed to the widespread Adderall shortages that began in 2022.
If your pharmacy label says “amphetamine salts,” “amphetamine salt combo,” “mixed amphetamine salts,” or “d-amphetamine salt combo,” you’re taking generic Adderall. The names vary by manufacturer, but the drug inside is the same.